Message ID | 20230123091702.7472-12-peng.fan@oss.nxp.com |
---|---|
State | Changes Requested |
Delegated to: | Stefano Babic |
Headers | show
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Mon, 23 Jan 2023 08:29:10 +0000 From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com> To: sbabic@denx.de, festevam@gmail.com, "NXP i.MX U-Boot Team" <uboot-imx@nxp.com> Cc: u-boot@lists.denx.de, Ye Li <ye.li@nxp.com>, Jacky Bai <ping.bai@nxp.com> Subject: [PATCH 11/41] imx9: Change hard coded MAC to read from fuse Date: Mon, 23 Jan 2023 17:16:30 +0800 Message-Id: <20230123091702.7472-12-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20230123091702.7472-1-peng.fan@oss.nxp.com> References: <20230123091702.7472-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SI2PR01CA0047.apcprd01.prod.exchangelabs.com (2603:1096:4:193::10) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|AS1PR04MB9698:EE_ X-MS-Office365-Filtering-Correlation-Id: 2f28f975-6508-4c7f-74a5-08dafd1be6d6 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Series |
imx: i.MX9 update
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expand
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diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c index fd9280a3b1d..db24e547db5 100644 --- a/arch/arm/mach-imx/imx9/soc.c +++ b/arch/arm/mach-imx/imx9/soc.c @@ -30,6 +30,7 @@ #include <asm/arch-imx/cpu.h> #include <asm/mach-imx/s400_api.h> #include <linux/delay.h> +#include <fuse.h> DECLARE_GLOBAL_DATA_PTR; @@ -337,12 +338,48 @@ phys_size_t get_effective_memsize(void) void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { - mac[0] = 0x1; - mac[1] = 0x2; - mac[2] = 0x3; - mac[3] = 0x4; - mac[4] = 0x5; - mac[5] = 0x6; + u32 val[2] = {}; + int ret; + + if (dev_id == 0) { + ret = fuse_read(39, 3, &val[0]); + if (ret) + goto err; + + ret = fuse_read(39, 4, &val[1]); + if (ret) + goto err; + + mac[0] = val[1] >> 8; + mac[1] = val[1]; + mac[2] = val[0] >> 24; + mac[3] = val[0] >> 16; + mac[4] = val[0] >> 8; + mac[5] = val[0]; + + } else { + ret = fuse_read(39, 5, &val[0]); + if (ret) + goto err; + + ret = fuse_read(39, 4, &val[1]); + if (ret) + goto err; + + mac[0] = val[1] >> 24; + mac[1] = val[1] >> 16; + mac[2] = val[0] >> 24; + mac[3] = val[0] >> 16; + mac[4] = val[0] >> 8; + mac[5] = val[0]; + } + + debug("%s: MAC%d: %02x.%02x.%02x.%02x.%02x.%02x\n", + __func__, dev_id, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); + return; +err: + memset(mac, 0, 6); + printf("%s: fuse read err: %d\n", __func__, ret); } int print_cpuinfo(void)